Incandescent lighting-body.



T. J. LITLE, JR. INOANDESGENT LIGHTING BODY.

APPLICATION FILED JULY 26,1911.

1,056,285, Patented Mar. 18, 1913.

wrmzssss INVENTOR UI TITED STATES PATENT OFFICE.

THOMAS JAMES LITLE, 31%., OF WOODBURY, NEW JERSEY, ASSIGNOR TO WELSBAGH LIGHT COMPANY, OF GLOUCESTER CITY, NEW JERSEY, A CORPORATION OF NEW JERSEY.

INCANDESCENT LIGHTING-BODY.

To all whom "it may concern Be it known that. I, THOMAS J. LITLE, Jr., a resident of ll oodbury, in the county of Gloucester and State of New Jersey, have invented a new and useful Improvement in Incandescent Lighting-Bodies, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming part of this specification. in which- Figure l is a side view of an incandescent lighting body embodying my invention; and F 2, 3 and l are plan views showing different forms of the invention.

My invention has relation to incandescent lighting bodies or diaphragms, and is designed to provide a body of this character for use in lighting apparatus which can be readily and cheaply made and which will be eflicicnt in service.

In accordance with my invention, I provide a supporting ring 2 of refractory material and preferably provided with legs 3, by means of which it can be attached to a suitable support. This ring may, in general, be similar to the rings commonly employed with inverted incandescent mantles. One face of the ring is provided with a series of projecting pins or studs at, around which are wound or looped a plurality of threads or filaments 5, of a suitable textile. material which has been treated in any well known or suitable manner similar to the treatment given incandescent gas mantles. These threads or filaments may be wound in various ways. Thus they may be wound back and forth across the ring, as indicated in Fig. 2 (only a portion of the windings being shown in this figure) until a sutficiently compact. body has been formed; they may be a double winding, one over the other, as shown at (3 and 7 in Fig. 3; or the incandescent body may be made up of a plurality of radial loops 8, as shown in Fig. i, a suflicientnumber of windings being provided in each case to make a body of the desired Specification of Letters Patent.

Application filed July 26, 1911.

Patented Mar. 18, 1913.

Serial No. 640,611.

compactness, especially at the central portion thereof. The gas is preferably directed against the body or diaphragm at an angle from a suitable burner nozzle 9, as indicated in Fig. 1.

My invention provides a very simple and cheap method of making an incandescent body or diaphragm of this character.

I claim:

1. An incandescent body or diaphragm comprising a supporting ring, and a plurality of radially disposed threads wound or looped across one end of the ring; substantially as described.

2. An incandescent body or diaphragm comprising a ring of refractory material, a plurality of layers of threads wound or looped across one end of the ring, and a plurality of supporting projections on the other end of the ring; substantially as described.

3. An incandescent body or diaphragm, comprising a ring of refractory material having studs or projections on one of its ends, and a plurality of layers of threads wound or looped across the ring over the studs or projections, said layers of threads being in engagement with each other and on the same end of the ring; substantially as described.

at. An incandescent body or diaphragm, comprising a ring of a refractory material having studs or project-ions on one end thereof, and a plurality of radially disposed threads wound or looped across the ring over the studs or projections, so that the threads will be closer to each other at the central portion of the diaphragm than at the periphery thereof; substantially as described.

In testimony whereof, I have hereunto set my hand.

THOMAS JAMES LITLE, JR.

Vitnesses R. B. IVASI-IINGTON, EDGAR LENTON.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. 

